ddhinit.cpp

来自「WinCE 3.0 BSP, 包含Inter SA1110, Intel_815」· C++ 代码 · 共 55 行

#include "precomp.h"

// Misc function prototypes
EXTERN_C BOOL mmHALInit( LPDDHALINFO lpddhi, BOOL reset, DWORD modeidx );


EXTERN_C BOOL WINAPI HALInit(
	LPDDHALINFO lpddhi,
	BOOL reset,
	DWORD modeidx )
{
	//SCODE sc = S_OK;

	DEBUGENTER(mmHALInit);

	if( !g_pGPE )	// in case this is called more than once...
	{
		DEBUGMSG( GPE_ZONE_INIT,(TEXT("DDHAL_IF calling GetGPE()\r\n")));
		g_pGPE = (DDGPE*)GetGPE();
		DEBUGMSG( GPE_ZONE_INIT,(TEXT("GetGPE() returned g_pGPE=0x%08x\r\n"), g_pGPE));

		// Video memory info:
		g_pDDrawPrimarySurface = (DDGPESurf*)(g_pGPE->PrimarySurface());
		DEBUGMSG( GPE_ZONE_INIT,(TEXT("g_pDDrawPrimarySurface: 0x%08x\r\n"), g_pDDrawPrimarySurface));
	}

	// Initialize the hardware and the callbacks
	buildDDHALInfo(lpddhi, modeidx);

	DEBUGLEAVE(mmHALInit);

    return TRUE;
}


EXTERN_C BOOL UpdateHALInit(
	LPDDRAWI_DIRECTDRAW_GBL lpDD,           // driver struct
	DWORD modeidx )
{
    DDHALINFO   ddhalinfo;

	DEBUGENTER(UpdateHALInit);

	memset(&ddhalinfo, 0, sizeof(ddhalinfo));
	ddhalinfo.dwSize = sizeof(ddhalinfo);

	buildDDHALInfo(&ddhalinfo, modeidx);

	lpDD->vmiData = ddhalinfo.vmiData;
	lpDD->dwMonitorFrequency = ddhalinfo.dwMonitorFrequency;
	lpDD->ddCaps = ddhalinfo.ddCaps;
	
	DEBUGLEAVE(UpdateHALInit);
	return TRUE;
}